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Journal of Heredity Advance Access originally published online on November 5, 2007
Journal of Heredity 2007 98(7):687-691; doi:10.1093/jhered/esm096
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© The American Genetic Association. 2007. All rights reserved. For permissions, please email: journals.permissions@oxfordjournals.org.

Genetic Diversity and Relationships of Endangered Spanish Cattle Breeds

Inmaculada Martín-Burriel, Clementina Rodellar, Johannes A. Lenstra, Arianne Sanz, Carmen Cons, Rosarsio Osta, Miguel Reta, Santos De Argüello, Albina Sanz, and Pilar Zaragoza

From the Laboratorio de Genética Bioquímica, Facultad de Veterinaria, Universidad de Zaragoza, Miguel Servet 177, 50013 Zaragoza, Spain (Martín-Burriel, Rodellar, Sanz, Cons, Osta, and Zaragoza); the Faculty of Veterinary Medicine, Utrecht University, Yalelaan 2, 3584 CM Utrecht, The Netherlands (Lenstra); Instituto Técnico y de Gestión Ganadera Navarra, S.A., Carretera del Sadar, s/n. Ed. El Sarrio 2a, 31006 Pamplona, Spain (Reta); CENSYRA de Torrelavega. Consejería de Ganadería, Agricultura y Pesca. Gobierno de Cantabria, Sierrapando s/n 39300 Torrelavega, Spain (Argüello); and the Centro de Investigación y Tecnología Agroalimentaria. Gobierno de Aragón, Avenida Montañana 930, 50059 Zaragoza, Spain (Sanz)

Address correspondence to I. Martín-Burriel at the address above, or e-mail: minma{at}unizar.es.

Information on the genetic structure and variability of autochthonous livestock breeds is essential for effective conservation programs. Here we present a molecular characterization on the basis of 30 microsatellite markers of 5 Spanish endangered cattle breeds Betizu (BET), Mallorquina (MAL), Menorquina, Monchina (MON), and Serrana de Teruel (ST) and of 2 fighting bull populations, Casta Navarra (CN) and Casta Vistahermosa. The feral and critically endangered BET is divided into 2 subpopulations, one of which has exceptionally low diversity values. A low number of alleles was also observed in the island population MAL. Although the small population size and genetic drift have caused a considerable divergence between the breeds, phylogenetic analysis is in accordance with historical and geographical data. The 2 northern Spanish feral breeds BET and MON cluster together. The local fighting breed CN is relatively close to the more inbred Casta Vistahermosa, which is the progenitor of most other fighting bulls in Spain. Comparison with nonendangered breeds suggests admixture of Alpine and/or Pyrenean mountain cattle in the ST, which may contribute to the high level of linkage disequilibrium in this population.

Corresponding Editor: James Womack

Received November 6, 2006
Accepted August 6, 2007


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